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YCY.U

AA Mission Acquisition Corp II Units
YCY.U

15 hedge funds and large institutions have $29M invested in AA Mission Acquisition Corp II Units in 2025 Q4 according to their latest regulatory filings, with 15 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
15
Holders Change
+15
Holders Change %
–
% of All Funds
0.18%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
MF
Magnetar Financial
Illinois
+$7.03M
2
WCMNY
Westchester Capital Management (New York)
New York
+$4.96M
3
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
+$3.12M
4
SCM
Steadfast Capital Management
New York
+$2.51M
5
HCM
Heights Capital Management
California
+$2.01M

Top Sellers

No sellers this quarter
Name Holding Trade Value Shares
Change 		Change in
Stake
MF
1
Magnetar Financial
Illinois
$7.02M +$7.03M +700,000 New
WCMNY
2
Westchester Capital Management (New York)
New York
$4.92M +$4.96M +494,185 New
Toronto Dominion Bank
3
Toronto Dominion Bank
Ontario, Canada
$3.13M +$3.12M +310,800 New
SCM
4
Steadfast Capital Management
New York
$2.52M +$2.51M +250,000 New
HCM
5
Heights Capital Management
California
$2.02M +$2.01M +200,000 New
Millennium Management
6
Millennium Management
New York
$2.02M +$2.01M +200,000 New
RCM
7
Rivernorth Capital Management
Florida
$2.01M +$2.01M +200,000 New
OAC
8
OMERS Administration Corp
Ontario, Canada
$1.99M +$2.01M +200,000 New
CS
9
Clear Street
New York
$1.2M +$1.2M +119,110 New
SSA
10
Schonfeld Strategic Advisors
New York
$556K +$554K +55,140 New
CA
11
Crossingbridge Advisors
New York
$504K +$502K +50,000 New
QL
12
Quarry LP
New York
$451K +$449K +44,700 New
SIM
13
Sandia Investment Management
Massachusetts
$451K +$449K +44,700 New
YCM
14
Yakira Capital Management
Connecticut
$202K +$201K +20,000 New
UBS Group
15
UBS Group
Switzerland
$1K +$1K +100 New

YCY.U Hedge Fund Activity: Q4 2025 in Review

15 of the 8,256 institutional investors tracked by Wall St. Rank reported a position in AA Mission Acquisition Corp II Units (YCY.U) for Q4 2025, worth a combined $29M.

Buyers outnumbered sellers: 15 funds opened new YCY.U positions and 0 closed out — a net gain of 15 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Magnetar Financial, opening a new position worth an estimated $7.03M.

  • 15 institutional investors held AA Mission Acquisition Corp II Units (YCY.U) as of Q4 2025, up from 0 in Q3 2025.
  • Funds reported $29M of AA Mission Acquisition Corp II Units stock for Q4 2025.
  • 15 funds opened new AA Mission Acquisition Corp II Units positions in Q4 2025 and 0 closed out, a net change of +15 holders.
  • The largest AA Mission Acquisition Corp II Units buyer in Q4 2025 was Magnetar Financial, an estimated $7.03M added.

Based on aggregated 13F filings for Q4 2025.